<template>
  <div class="app-container">
    <div class="search-area" v-show="showSearch">
      <el-form :model="queryParams" ref="queryForm" :inline="true" class="clearfix">
        <el-form-item label="模型标识" prop="modelKey">
          <el-input
            v-model="queryParams.modelKey"
            placeholder="请输入模型标识"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="模型名称" prop="modelName">
          <el-input
            v-model="queryParams.modelName"
            placeholder="请输入模型名称"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="流程类别" prop="category">
          <el-select v-model="queryParams.category" clearable placeholder="请选择" size="small">
            <el-option
              v-for="item in categoryOptions"
              :key="item.categoryId"
              :label="item.categoryName"
              :value="item.code">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button icon="el-icon-refresh" size="small" @click="resetQuery">重置</el-button>
          <el-button type="primary" icon="el-icon-search" size="small" @click="handleQuery">查询</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="main-content">
      <el-row :gutter="10" class="mb24">
        <!--      <el-col :span="1.5">-->
        <!--        <el-button-->
        <!--          type="primary"-->
        <!--          plain-->
        <!--          icon="el-icon-upload"-->
        <!--          size="mini"-->
        <!--          @click="handleImport"-->
        <!--          v-hasPermi="['workflow:model:import']"-->
        <!--        >导入</el-button>-->
        <!--      </el-col>-->
        <el-col :span="1.5">
                <el-button
                  type="success"
                  plain
                  icon="el-icon-plus"
                  size="mini"
                  @click="handleAdd"
                  v-hasPermi="['workflow:model:add']"
                >新增</el-button>
              </el-col>
        <el-col :span="1.5">
                <el-button
                  type="danger"
                  plain
                  icon="el-icon-delete"
                  size="mini"
                  :disabled="multiple"
                  @click="handleDelete"
                  v-hasPermi="['workflow:model:remove']"
                >删除</el-button>
              </el-col>
<!--    <el-col :span="1.5">
                <el-button
                  type="warning"
                  plain
                  icon="el-icon-download"
                  size="mini"
                  @click="handleExport"
                  v-hasPermi="['workflow:model:export']"
                >导出</el-button>
              </el-col>-->
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table v-loading="loading" fit :data="modelList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="模型标识" align="center" prop="modelKey" :show-overflow-tooltip="true" />
        <el-table-column label="模型名称" align="center" :show-overflow-tooltip="true">
          <template slot-scope="scope">
            <el-button type="text" @click="handleProcessView(scope.row)">
              <span>{{ scope.row.modelName }}</span>
            </el-button>
          </template>
        </el-table-column>
        <el-table-column label="流程类别" align="center" prop="categoryName">
          <template slot-scope="scope">
            <dict-tag
              :options="dict.type.sys_approval_form"
              :value="`${(scope.row.category || '').replace('key_', '')}`"
            />
          </template>
        </el-table-column>
        <el-table-column label="模型版本" align="center">
          <template slot-scope="scope">
            <el-tag size="medium">v{{ scope.row.version }}</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="描述" align="center" prop="description" :show-overflow-tooltip="true" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['workflow:model:edit']"
              >修改</el-button
            >
            <el-button
              type="text"
              size="mini"
              icon="el-icon-brush"
              @click="handleDesigner(scope.row)"
              v-hasPermi="['workflow:model:designer']"
              >设计</el-button
            >
            <el-button
              type="text"
              size="mini"
              icon="el-icon-video-play"
              v-hasPermi="['workflow:model:deploy']"
              @click.native="handleDeploy(scope.row)"
              >部署</el-button
            >
            <el-dropdown>
              <span class="el-dropdown-link"> <i class="el-icon-d-arrow-right el-icon--right"></i>更多 </span>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item
                  icon="el-icon-view"
                  @click.native="handleProcessView(scope.row)"
                  v-hasPermi="['workflow:model:query']"
                  >流程图</el-dropdown-item
                >
                <el-dropdown-item
                  icon="el-icon-price-tag"
                  @click.native="handleHistory(scope.row)"
                  v-hasPermi="['workflow:model:list']"
                  >历史</el-dropdown-item
                >
                <!--              <el-dropdown-item
                  icon="el-icon-delete"
                  @click.native="handleDelete(scope.row)"
                  v-hasPermi="['workflow:model:remove']"
                >删除</el-dropdown-item>-->
              </el-dropdown-menu>
            </el-dropdown>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
    </div>

    <!--  添加或修改模型信息对话框  -->
    <el-dialog
      :close-on-click-modal="false"
      :title="title"
      :visible.sync="open"
      center
      width="30%"
      append-to-body
      @close="cancel()"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="模型标识" prop="modelKey">
          <el-input v-model="form.modelKey" clearable disabled />
        </el-form-item>
        <el-form-item label="模型名称" prop="modelName">
          <el-input v-model="form.modelName" clearable :disabled="form.modelId !== undefined" />
        </el-form-item>
        <el-form-item label="流程类别" prop="category">
          <el-select v-model="form.category" placeholder="请选择" clearable style="width: 100%" :disabled="form.modelId !== undefined">
            <el-option
              v-for="dict in dict.type.sys_approval_form"
              :key="dict.value"
              :label="dict.label"
              :value="`key_${dict.value}`"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input
            v-model="form.description"
            type="textarea"
            placeholder="请输入内容"
            maxlength="200"
            show-word-limit
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="cancel()">取 消</el-button>
        <el-button type="primary" size="small" @click="submitForm">确 定</el-button>
      </div>
    </el-dialog>

    <!--  &lt;!&ndash; bpmn20.xml导入对话框 &ndash;&gt;-->
    <!--  <el-dialog :close-on-click-modal="false" :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body @close="cancel('uploadForm')">-->
    <!--    <el-upload-->
    <!--      ref="upload"-->
    <!--      :limit="1"-->
    <!--      accept=".xml"-->
    <!--      :headers="upload.headers"-->
    <!--      :action="upload.url + '?name=' + upload.name+'&category='+ upload.category"-->
    <!--      :disabled="upload.isUploading"-->
    <!--      :on-progress="handleFileUploadProgress"-->
    <!--      :on-success="handleFileSuccess"-->
    <!--      :auto-upload="false"-->
    <!--      drag-->
    <!--    >-->
    <!--      <i class="el-icon-upload"></i>-->
    <!--      <div class="el-upload__text">-->
    <!--        将文件拖到此处，或-->
    <!--        <em>点击上传</em>-->
    <!--      </div>-->
    <!--      <div class="el-upload__tip" slot="tip">-->
    <!--        <el-form ref="uploadForm" :model="upload" size="mini" :rules="rules" label-width="80px">-->
    <!--          <el-form-item label="流程名称" prop="name">-->
    <!--            <el-input v-model="upload.name" clearable/>-->
    <!--          </el-form-item>-->
    <!--          <el-form-item label="流程类别" prop="category">-->
    <!--            <el-select v-model="upload.category" placeholder="请选择" clearable style="width:100%">-->
    <!--              <el-option v-for="item in categoryOptions" :key="item.categoryId" :label="item.categoryName"-->
    <!--                         :value="item.code"/>-->
    <!--            </el-select>-->
    <!--          </el-form-item>-->
    <!--        </el-form>-->
    <!--      </div>-->
    <!--      <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“bpmn20.xml”格式文件！</div>-->
    <!--    </el-upload>-->
    <!--    <div slot="footer" class="dialog-footer">-->
    <!--      <el-button @click="cancel('uploadForm')">取 消</el-button>-->
    <!--      <el-button type="primary" @click="submitFileForm">确 定</el-button>-->
    <!--    </div>-->
    <!--  </el-dialog>-->

    <!-- 流程图 -->
    <el-dialog
      :close-on-click-modal="false"
      :title="processView.title"
      :visible.sync="processView.open"
      width="70%"
      append-to-body
    >
      <process-viewer :key="`designer-${processView.index}`" :xml="processView.xmlData" :style="{ height: '400px' }" />
    </el-dialog>

    <el-dialog :close-on-click-modal="false" title="模型历史" :visible.sync="history.open" width="70%">
      <el-table v-loading="history.loading" fit :data="historyList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="模型标识" align="center" prop="modelKey" :show-overflow-tooltip="true" />
        <el-table-column label="模型名称" align="center" :show-overflow-tooltip="true">
          <template slot-scope="scope">
            <el-button type="text" @click="handleProcessView(scope.row)">
              <span>{{ scope.row.modelName }}</span>
            </el-button>
          </template>
        </el-table-column>
        <el-table-column label="流程类别" align="center" prop="categoryName">
          <template slot-scope="scope">
            <el-option
              v-for="dict in dict.type.sys_approval_form"
              :key="dict.value"
              :label="dict.label"
              :value="`key_${dict.value}`"
            />
          </template>
        </el-table-column>
        <el-table-column label="模型版本" align="center">
          <template slot-scope="scope">
            <el-tag size="medium">v{{ scope.row.version }}</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="描述" align="center" prop="description" :show-overflow-tooltip="true" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              type="text"
              size="mini"
              icon="el-icon-video-play"
              v-hasPermi="['workflow:model:deploy']"
              @click.native="handleDeploy(scope.row)"
              >部署</el-button
            >
            <el-button
              type="text"
              size="mini"
              icon="el-icon-star-off"
              v-hasPermi="['workflow:model:save']"
              @click.native="handleLatest(scope.row)"
              >设为最新</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="historyTotal > 0"
        :total="historyTotal"
        :page.sync="queryHistoryParams.pageNum"
        :limit.sync="queryHistoryParams.pageSize"
        @pagination="getHistoryList"
      />
    </el-dialog>

    <el-dialog
      :close-on-click-modal="false"
      :title="designerData.title"
      :visible.sync="designerOpen"
      append-to-body
      width="80%"
    >
      <process-designer
        :key="designerOpen"
        style="border: 1px solid rgba(0, 0, 0, 0.1)"
        ref="modelDesigner"
        v-loading="designerData.loading"
        :bpmnXml="designerData.bpmnXml"
        :designerForm="designerData.form"
        @save="onSaveDesigner"
      />
    </el-dialog>
  </div>
</template>

<script>
import {
  getBpmnXml,
  listModel,
  historyModel,
  latestModel,
  addModel,
  updateModel,
  saveModel,
  delModel,
  deployModel,
} from '@/api/workflow/model'
import ProcessDesigner from '@/components/ProcessDesigner'
import ProcessViewer from '@/components/ProcessViewer'
import { getToken } from '@/utils/auth'

export default {
  name: 'Model',
  dicts: ['sys_approval_form'],
  components: {
    ProcessDesigner,
    ProcessViewer,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      names: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 流程模型表格数据
      modelList: [],
      categoryOptions: [],
      title: '',
      open: false,
      form: {},
      // 表单校验
      rules: {
        modelKey: [{ required: true, message: '模型标识不能为空', trigger: 'blur' }],
        modelName: [{ required: true, message: '模型名称不能为空', trigger: 'blur' }],
        category: [{ required: true, message: '请选择类型', trigger: 'change' }],
      },
      designerOpen: false,
      designerData: {
        loading: false,
        bpmnXml: '',
        modelId: null,
        form: {
          processName: null,
          processKey: null,
          namespace: null,
        },
      },
      designerModelId: null,
      processView: {
        title: '',
        open: false,
        index: undefined,
        xmlData: '',
      },
      // bpmn.xml 导入
      upload: {
        // 是否显示弹出层（xml导入）
        open: false,
        // 弹出层标题（xml导入）
        title: '',
        // 是否禁用上传
        isUploading: false,
        name: null,
        category: null,
        // 设置上传的请求头部
        headers: { Authorization: 'Bearer ' + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + '/workflow/definition/import',
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        modelKey: null,
        modelName: null,
        category: null,
      },
      currentRow: null,
      history: {
        open: false,
        loading: false,
      },
      historyList: [],
      historyTotal: 0,
      queryHistoryParams: {
        pageNum: 1,
        pageSize: 10,
        modelKey: null,
      },
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询流程模型列表 */
    getList() {
      this.loading = true
      listModel(this.queryParams).then((response) => {
        this.modelList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    cancel() {
      this.reset()
      // 关闭dialog
      this.open = false
    },
    // 表单重置
    reset() {
      this.form = {
        modelId: undefined,
        modelKey: undefined,
        modelName: undefined,
        category: undefined,
        description: undefined,
      }
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.$refs.queryForm.resetFields()
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.modelId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 部署流程 */
    handleDeploy(row) {
      this.loading = true
      deployModel({
        modelId: row.modelId,
      })
        .then((response) => {
          this.$modal.msgSuccess(response.msg)
          let obj = { name: 'Deploy', path: '/workflow/deploy' }
          return this.$store.dispatch('tagsView/delCachedView', obj).then(() => {
            this.$router.push(obj)
          })
        })
        .finally(() => {
          this.loading = false
        })
    },
    /** 查看流程图 */
    handleProcessView(row) {
      let modelId = row.modelId
      this.processView.title = '流程图'
      this.processView.index = modelId
      // 发送请求，获取xml
      getBpmnXml(modelId).then((response) => {
        this.processView.xmlData = response.data
      })
      this.processView.open = true
    },
    getHistoryList() {
      this.history.loading = true
      historyModel(this.queryHistoryParams).then((response) => {
        this.historyTotal = response.total
        this.historyList = response.rows
        this.history.loading = false
      })
    },
    handleHistory(row) {
      this.history.open = true
      this.queryHistoryParams.modelKey = row.modelKey
      this.getHistoryList()
    },
    /** 设为最新版 */
    handleLatest(row) {
      this.$modal.confirm('是否确认将此版本设为最新？').then(() => {
        this.history.loading = true
        latestModel({
          modelId: row.modelId,
        })
          .then((response) => {
            this.history.open = false
            this.getList()
            this.$modal.msgSuccess(response.msg)
          })
          .finally(() => {
            this.history.loading = false
          })
      })
    },
    handleCurrentChange(data) {
      if (data) {
        this.currentRow = JSON.parse(data.content)
      }
    },
    handleAdd() {
      this.title = '新增流程模型'
      const dateTime = new Date().getTime()
      this.form = {
        modelKey: `Process_${dateTime}`,
        modelName: '',
      }
      this.open = true
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.title = '修改流程模型'
      this.form = {
        modelId: row.modelId,
        modelKey: row.modelKey,
        modelName: row.modelName,
        category: row.category,
        description: row.description,
      }
      this.open = true
    },
    submitForm() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.modelId !== undefined) {
            updateModel(this.form).then((response) => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addModel(this.form).then((response) => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 设计按钮操作 */
    handleDesigner(row) {
      this.designerData.title = '流程设计 - ' + row.modelName
      this.designerData.modelId = row.modelId
      this.designerData.form = {
        processName: row.modelName,
        processKey: row.modelKey,
        category: row.category,
      }
      if (row.modelId) {
        this.designerData.loading = true
        getBpmnXml(row.modelId).then((response) => {
          this.designerData.bpmnXml = response.data || ''
          this.designerData.loading = false
          this.designerOpen = true
        })
      }
    },
    onSaveDesigner(bpmnXml) {
      this.bpmnXml = bpmnXml
      let dataBody = {
        modelId: this.designerData.modelId,
        bpmnXml: this.bpmnXml,
      }
      this.$confirm('是否将此模型保存为新版本？', '提示', {
        distinguishCancelAndClose: true,
        confirmButtonText: '是',
        cancelButtonText: '否',
      })
        .then(() => {
          this.confirmSave(dataBody, true)
        })
        .catch((action) => {
          if (action === 'cancel') {
            this.confirmSave(dataBody, false)
          }
        })
    },
    confirmSave(body, newVersion) {
      this.designerData.loading = true
      saveModel(
        Object.assign(body, {
          newVersion: newVersion,
        })
      )
        .then(() => {
          this.designerOpen = false
          this.getList()
        })
        .finally(() => {
          this.designerData.loading = false
        })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const modelIds = row.modelId || this.ids
      this.$modal
        .confirm('是否确认删除模型编号为"' + modelIds + '"的数据项？')
        .then(() => {
          this.loading = true
          return delModel(modelIds)
        })
        .then(() => {
          this.loading = false
          this.getList()
          this.$modal.msgSuccess('删除成功')
        })
        .finally(() => {
          this.loading = false
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        'workflow/model/export',
        {
          ...this.queryParams,
        },
        `wf_model_${new Date().getTime()}.xlsx`
      )
    },
    /** 导入bpmn.xml文件 */
    handleImport() {
      this.upload.title = 'bpmn20.xml文件导入'
      this.upload.open = true
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false
      this.upload.isUploading = false
      this.$refs.upload.clearFiles()
      this.$message.success(response.msg)
      this.getList()
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.uploadForm.validate((valid) => {
        if (valid) {
          this.$refs.upload.submit()
        }
      })
    },
    categoryFormat(row, column) {
      return this.categoryOptions.find((k) => k.code === row.category)?.categoryName ?? ''
    },
    submitSave() {
      this.getList()
    },
  },
}
</script>
